Neck brace



FIG. 1 is a back view of a neck brace according to an embodiment of the design;

FIG. 2 is a bottom view of the neck brace.

FIG. 3 is a front view of the neck brace.

FIG. 4 is an isometric view of the back of the neck brace.

FIG. 5 is an isometric view of the front of the neck brace.

FIG. 6 is a side view of the neck brace, wherein the other side view of the neck brace (not shown) is a mirror image of FIG. 6; and,

FIG. 7 is a top view of the neck brace. 

The ornamental design for a neck brace, as shown and described. 